/*遮罩层样式*/
.zoom_mask{background: #111111; position: absolute; z-index: 10000; left: 0px; top: 0px; width: 100%; height: 100%; display: none; opacity: 0.3; filter:alpha(opacity=30);}
/*工具栏样式*/
.titlebar-btn{width: 18px; height: 18px; float: right; overflow: hidden; background: url("../images/tool-sprites18x18.gif") no-repeat scroll 0 0 transparent;cursor: pointer; border: 0 none;}
.titlebar-max{background-position: 0 -36px;}
.titlebar-max:hover{background-position: -18px -36px;}
.titlebar-resume{background-position: 0 -54px;}
.titlebar-resume:hover{background-position: -18px -54px;}

.titlebar-refresh{background-position: 0 -270px;}
.titlebar-refresh:hover{background-position: -18px -270px;}